Insider trading

Period: 12 months Stock: TWST Type of trade: Sold × Role: Other officers × + Add filter Clear all
Views & alerts

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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

81 decisions over 12 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

81 decisions over 12 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

81 decisions over 12 months Remove this filter
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

81 decisions over 12 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
81 decisions over 12 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
81 decisions over 12 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

81 decisions over 12 months
Stock
Insider
Type ?
Why it stands out
2 Oct 2026
Finn Patrick John President and COO
Sold at will
$4.86M 25,714 at 188.88
12.2%
Not planned
2 Oct 2026
Green Paula SVP of Human Resources
Sold at will
$1.91M 10,088 at 188.88
8.6%
Not planned
2 Oct 2026
Cho Dennis See Remarks
Sold at will
$1.80M 9,514 at 188.88
13.0%
Not planned
2 Oct 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$279.93K 1,482 at 188.88
3.3%
Not planned
21 Sep 2026
Cho Dennis See Remarks
Sold at will
$57.59K 348 at 165.49
0.5%
Not planned
21 Sep 2026
Green Paula SVP of Human Resources
Sold at will
$48.65K 294 at 165.49
0.3%
Not planned
8 Sep 2026
Green Paula SVP of Human Resources
Sold at will
$111.22K 907 at 122.62
0.8%
Not planned
8 Sep 2026
Cho Dennis See Remarks
Sold at will
$50.52K 412 at 122.62
0.6%
Not planned
8 Sep 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$29.18K 238 at 122.62
0.5%
Not planned
24 Aug 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$120.22K 854 at 140.77
1.9%
Not planned
21 Aug 2026
Finn Patrick John President and COO
Sold at will
$562.66K 4,046 at 139.07
1.9%
Not planned
21 Aug 2026
Cho Dennis See Remarks
Sold at will
$222.23K 1,598 at 139.07
2.1%
Not planned
21 Aug 2026
Green Paula SVP of Human Resources
Sold at will
$189.13K 1,360 at 139.07
1.1%
Not planned
21 Aug 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$93.04K 669 at 139.07
1.4%
Not planned
19 Aug 2026
Cho Dennis See Remarks
Sold on a plan
$1.84M 14,205 at 129.75
15.8%
Planned (10b5-1)
18 Aug 2026
Finn Patrick John President and COO
Sold on a plan 7×
$9.22M 78,355 at 117.64
26.7%
Planned (10b5-1)
5 Aug 2026
Cho Dennis See Remarks
Sold on a plan
$1.56M 14,205 at 109.75
13.6%
Planned (10b5-1)
3 Aug 2026
Finn Patrick John President and COO
Sold at will
$246.41K 2,888 at 85.32
1.1%
Not planned
3 Aug 2026
Green Paula SVP of Human Resources
Sold at will
$96.67K 1,133 at 85.32
0.9%
Not planned
3 Aug 2026
Cho Dennis See Remarks
Sold at will
$91.29K 1,070 at 85.32
1.0%
Not planned
3 Aug 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$14.25K 167 at 85.32
0.4%
Not planned
23 Jul 2026
Finn Patrick John President and COO
Sold at will
$210.13K 2,238 at 93.89
0.8%
Not planned
24 Jun 2026
Cho Dennis See Remarks
Sold on a plan
$1.27M 14,205 at 89.75
11.9%
Planned (10b5-1)
22 Jun 2026
Cho Dennis See Remarks
Sold at will
$30.21K 346 at 87.32
0.3%
Not planned
22 Jun 2026
Green Paula SVP of Human Resources
Sold at will
$25.41K 291 at 87.32
0.2%
Not planned
15 Jun 2026
Green Paula SVP of Human Resources
Sold at will 2×
$2.13M 26,137 at 81.67
17.8%
Not planned
8 Jun 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will 2×
$94.05K 1,359 at 69.20
2.8%
Not planned
8 Jun 2026
Green Paula SVP of Human Resources
Sold at will
$61.74K 884 at 69.84
0.7%
Not planned
8 Jun 2026
Cho Dennis See Remarks
Sold at will
$28.08K 402 at 69.84
0.3%
Not planned
29 May 2026
Cho Dennis See Remarks
Sold on a plan
$990.80K 14,205 at 69.75
10.6%
Planned (10b5-1)
26 May 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$49.99K 800 at 62.48
1.6%
Not planned
21 May 2026
Finn Patrick John President and COO
Sold at will
$221.55K 4,160 at 53.26
1.5%
Not planned
21 May 2026
Cho Dennis See Remarks
Sold at will
$87.45K 1,642 at 53.26
1.2%
Not planned
21 May 2026
Green Paula SVP of Human Resources
Sold at will
$74.51K 1,399 at 53.26
1.1%
Not planned
21 May 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$36.64K 688 at 53.26
1.4%
Not planned
8 May 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$282.19K 4,961 at 56.88
9.1%
Not planned
4 May 2026
Finn Patrick John President and COO
Sold at will
$162.53K 2,844 at 57.15
1.0%
Not planned
4 May 2026
Cho Dennis See Remarks
Sold at will
$112.13K 1,962 at 57.15
1.4%
Not planned
4 May 2026
Green Paula SVP of Human Resources
Sold at will
$63.78K 1,116 at 57.15
0.9%
Not planned
4 May 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$9.37K 164 at 57.15
0.3%
Not planned
23 Apr 2026
Finn Patrick John President and COO
Sold at will
$141.03K 2,321 at 60.76
0.8%
Not planned
20 Mar 2026
Cho Dennis See Remarks
Sold at will
$15.50K 354 at 43.79
0.3%
Not planned
20 Mar 2026
Green Paula SVP of Human Resources
Sold at will
$13.00K 297 at 43.79
0.2%
Not planned
6 Mar 2026
Green Paula SVP of Human Resources
Sold at will
$43.41K 935 at 46.43
0.7%
Not planned
6 Mar 2026
Cho Dennis See Remarks
Sold at will
$19.73K 425 at 46.43
0.3%
Not planned
6 Mar 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$11.42K 246 at 46.43
0.4%
Not planned
23 Feb 2026
Finn Patrick John President and COO
Sold at will
$200.57K 4,294 at 46.71
1.5%
Not planned
23 Feb 2026
WERNER ROBERT F. Chief Accounting Officer
Sold at will
$79.08K 1,693 at 46.71
3.0%
Not planned
23 Feb 2026
Green Paula SVP of Human Resources
Sold at will
$68.43K 1,465 at 46.71
1.2%
Not planned
23 Feb 2026
Cho Dennis See Remarks
Sold at will
$39.42K 844 at 46.71
0.6%
Not planned
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